2020 tables: Institutions - Nature & Science - academic

The 2020 tables are based on Nature Index data from 1 January 2019 to 31 December 2019.

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# Institution Share 2018 Share 2019 Count 2019 Change in Adjusted Share* 2018–2019
1 Tehran University of Medical Sciences (TUMS), Iran – 0.10 3 N/A
2 Kermanshah University of Medical Sciences (KUMS), Iran – 0.07 2 N/A
3 Sharif University of Technology (SUT), Iran 0.27 0.05 2 -79.4%
4 Iran University of Medical Sciences (IUMS), Iran – 0.05 3 N/A
5 Tarbiat Modares University (TMU), Iran 0.02 0.05 4 172.8%
6 University of Tehran (UT), Iran 0.12 0.05 1 -56.1%
7 Shahid Beheshti University of Medical Sciences (SBMU), Iran – 0.03 3 N/A
8 Islamic Azad University (IAU), Iran – 0.03 3 N/A
9 Babol University of Medical Sciences, Iran – 0.02 2 N/A
10 Mazandaran University of Medical Sciences (MazUMS), Iran – 0.02 2 N/A
11 Razi University, Iran – 0.01 1 N/A
12 Hamadan University of Medical Sciences, Iran – 0.01 2 N/A
12 Kurdistan University of Medical Sciences, Iran – 0.01 2 N/A
13 Tabriz University of Medical Sciences (TUOMS), Iran – 0.01 1 N/A
14 Ahvaz Jundishapour University of Medical Sciences, Iran – 0.01 3 N/A
15 Shiraz University of Medical Sciences (SUMS), Iran – 0.01 3 N/A
16 Alborz University of Medical Sciences (ABZUMS), Iran – 0.01 3 N/A
17 University of Social Welfare and Rehabilitation Sciences, Iran – 0.01 2 N/A
18 Lorestan University of Medical Sciences (LUMS), Iran – 0.01 1 N/A
19 Qazvin University of Medical Sciences (QUMS), Iran – 0.01 2 N/A
19 Kerman University of Medical Sciences (KMU), Iran – 0.01 2 N/A
20 Maragheh University of Medical Sciences, Iran – 0.01 1 N/A
20 Ardabil University of Medical Sciences, Iran – 0.01 1 N/A
21 Arak University of Medical Sciences, Iran – 0.01 2 N/A
22 Rafsanjan University of Medical Sciences (RUMS), Iran – 0.00 2 N/A
22 Zabol University of Medical Sciences, Iran – 0.00 2 N/A
22 Ilam University of Medical Sciences, Iran – 0.00 2 N/A
23 Isfahan University of Medical Sciences, Iran – 0.00 2 N/A
24 Mashhad University of Medical Sciences (MUMS), Iran – 0.00 1 N/A
25 Golestan University of Medical Sciences (GOUMS), Iran – 0.00 2 N/A
25 Baqiyatallah University of Medical Sciences (BMSU), Iran – 0.00 2 N/A
26 Dezful University of Medical Sciences (DUMS), Iran – 0.00 2 N/A
27 Guilan University of Medical Sciences (GUMS), Iran – 0.00 1 N/A
27 Shahroud University of Medical Sciences (SHMU), Iran – 0.00 1 N/A
27 Saveh University of Medical Sciences (SAVEHUMS), Iran – 0.00 1 N/A
27 Qom University of Medical Sciences, Iran – 0.00 1 N/A
27 Babol Noshirvani University of Technology (BNUT), Iran – 0.00 1 N/A
27 Amirkabir University of Technology (AUT), Iran – 0.00 1 N/A
27 Abadan University of Medical Sciences (AUMS), Iran – 0.00 1 N/A
27 Urmia University of Medical Science (UMSU), Iran – 0.00 1 N/A
28 Birjand University of Medical Sciences (BUMS), Iran – 0.00 1 N/A
29 University of Maragheh, Iran – 0.00 1 N/A
29 Zahedan University of Medical Sciences and Health Services (ZAUMS), Iran – 0.00 1 N/A
29 Bushehr University of Medical Sciences (BPUMS), Iran – 0.00 1 N/A

Footnote

Each year, the Nature Index publishes tables based on counts of high-quality research outputs in the previous calendar year. Users please note:

  1. The data behind the tables are based on a relatively small proportion of total research papers, they cover the natural sciences only and outputs are non-normalized (that is, they don’t reflect the size of the country or institution, or its overall research output).
  2. The Nature Index is one indicator of institutional research performance. The metrics of Count and Share used to order Nature Index listings are based on an institution’s or country’s publication output in 82 natural-science journals through 2022, in 2023 64 health-science journals were added to the Index. The 146 journals in the Nature Index were selected on reputation by an independent panel of leading scientists in their fields.
  3. Nature Index recognizes that many other factors must be taken into account when considering research quality and institutional performance; Nature Index metrics alone should not be used to assess institutions or individuals.
  4. Nature Index data and methods are transparent and available under a creative commons licence at nature.com/nature-index/.

The Nature Index database undergoes regular updating, corrections, adjustment of institutional hierarchies, and removal of retracted papers and thus the live website can differ from the frozen annual tables.

*The change in adjusted Share accounts for the small annual variation in the total number of articles in Nature Index journals. Share values have been adjusted to 2022 levels to calculate the percentage change. For more information on the adjustment, please see the Adjusted metric explainer.


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